Uttar Pradesh police on Monday gunned down one of the accused in the sensational February 24 killing of a prime witness in the BSP MLA Raju Pal murder case in an encounter here.

Deputy Commissioner of Police Navendu Kumar told PTI that Arbaaz, who was the driver of the white SUV used by the assailants to attack witness Umesh Pal, was surrounded by police teams following an intelligence input.